Chinese Optics Letters, Volume. 9, Issue 5, 051903(2011)
Femtosecond pulses cleaning by transient-grating process in Kerr-optical media
We use a transient-grating (TG) process in a Kerr bulk medium to clean a femtosecond laser pulse. Using the technique, the temporal contrast of the generated TG signal is improved by more than two orders of magnitude in comparison with the incident pulse in a 0.5-mm-thick fused silica plate. The laser spectrum is smoothed and broadened, and the pulse duration is shortened simultaneously. We expect to extend this technique to a clean pulse with broadband spectral bandwidth at a wide spectral range because it is a phase-matched process.
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Jun Liu, Kotaro Okamura, Yuichiro Kida, Takayoshi Kobayashi. Femtosecond pulses cleaning by transient-grating process in Kerr-optical media[J]. Chinese Optics Letters, 2011, 9(5): 051903
Category: Nonlinear Optics
Received: Nov. 9, 2010
Accepted: Jan. 3, 2011
Published Online: Apr. 22, 2011
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